Function:
Freeze to -4 ° F (-20 ° C)
Automotive battery protection system
Built in LED light, indoor wine bottle rack design, and wire storage basket, Heavy duty handle, digital display control panel, door with cup holder design Suitable for anywhere: cars/jeeps/trucks/homes/dormitories/cabins/ Garage/RV/Boat/Outdoor (DC/AC) Sturdy design: shockproof and durable design for handling rocky roads. Quiet operation: less than 45db, just like living in a quiet suburb.Energy saving (MAX&ECO mode): Two different modes can be adjusted as needed.